Tobacco-stripping machine



Aug. 5, 1930. M. s. P. PHILLIPS TOBACCO STRIPPING MACHINE Filed March 5, 1928 Iforri; 6M2 "P P P2217290 J B kwzzz & 6

Patented Au 5, 1930 l i I I -'1 77 5;

"Q'MOBRIS' G D R I HILIJiPS. 0i iinwnoiv, ivemim'f Q I V j; ToBAcooj-s'rRIPPInG.iiliicni g.

Application filed-March 5, ieaa'seriai'iv ztegasa aiia iniGreat: Britain qanuary '18, 1928. if

v lhis invention relates to machines. fOI'Y Q indicates the stripper whichis'in'theform stripping tobacco le aves,: and it refers pab of abar'or platehavlng teethlor serrations as; tlcularly to machmes of the .type in which a previously stated, and as illustrated innthe? I stripping deviceisemployedprovided With. fragmentary perspective v1ew,--Fig.- 5,, said teeth or serrations each receiving the stem of plate being carried by a bare, supported at I 1 a leaf, means being provided for simultane- .its ends *by levers such as 6. 7 indicates a ously drawingthe stems lengthwise through member cooperatingwith'the serrated strip-- the stripping device. per plate -45, said member beingyjsupported The present invention has for its object 00' by levers such as 8. The 1eVers'8a pivotal- 1 i provide means whereby whendesiredto feed ly' mounted at 8 upon reciprocating carriages -1 the leaves directly from a stationary belt or u h 9, hil t th l v r i6 ar pivotally table the extent to which. the stems project mounted upon the carriages 9-'a t 6, links'lO through the strippingdevicemay" be auto" ,connecting'the inner ends of levers (5- With ma ally r011ed, and thestems aligned. levers 8 in a manner such that th'e movement priorto the stripping operation. p of the==levers'.61 in one direction will impart" By.- means of the present nvention' more-l movement in an opposite direction to the over any stems which mayv adhere to the grip? levers 8 or in other words, 'willcause the per members after the stripping operation has stripp r to o enorlose, h movement of been effected are automatically ejected. the levers 6 and 8 is effectedjby .meansofi According 'to the present invention there rollers *such as 11 carried by arms-such'as 6 is provided'upon the gripper. by which-the, upon-the levers 6, said rollers engagingsuih stems are drawn through the stripper a body ablecams adapted to securethe desiredioperadesigned to .act asa stop or fence, which body tion of the said levers." is disposednbehind .the stem engaging ele- The gripping elements indicated by 12 and ments of the gripper, sothat asthe gripper 13 are carried by systems of -levers,'indicated 7.5 advances said-body contacts with the extreme. generally by mm} supported by carriage 15, ends of the stems and effects the alignment. the arrangement and' operation ofthe levers In order that the invention may bethe bet-i being, as already described, in connection ter. understoodndrawings are appended'i with the stripper, 1

- I f t r Secured at their ends'to the levers m, m are 8 Fig. 'l'isa side view ofa machine'embodyev bars or rods 16 disposed upon the inner side ingthe-present invention.

I 1 of'the gripping elements over which passes Figs2isga sectional view, to a larger scale n ndle b dy a c v iently formed of showing the parts in position to grip th fabric, which body also passes'over a third stems; I

-L rod 17, the ends of which are secured'to one; V Fig. 3 is a similar view with the parts in end 'ofsprings-l8, the opposite ends of said the gripping position. .1, springs being connected to afourthrod or- .Fig. 4 is a detail view of thestem aligning bar 19 secured at its ends to the carriage mechanism.: H With the gripper in the open position, as

Fig. 5 is a fragmentary perspective view of shown in Fig; 2, the body a is caused to as- Q thestripping elements, sume a condition such that it presents a tri-' Referring'to theappended drawings, in angular shaped cross sectional outline "of which only such parts of the machine as are, which the base is vertical, and: forms a stop 1 4 essential to'the proper understanding of the or fence which, contacting with fthe inner invention are shown and described,l'indicates' endsof the stems of the leaves,jwill eifect the frame of the machine. 2 indicatesxthe their alignment and so insure that the minisupport upon "which they leaves are placed mum length of stem will project beyond the with their stems projecting beyond theinner gripping elements and consequently that the edge. thereof, said leaves being roughly maximum stripping 'efiect is secured." 7 aligned thereon. 1 l l 1 f: :-When in the closed positionthe parts will. 5,

= wall a directly behindbe substantially in the condition shown in Fig. 3, the springs 18 drawing up the slack ofthe body a, which would otherwise be present when the gripping elements come together.

Disposed at the rear of the'frame 1 and running, transversely thereof, is a. shaft 2.0, upon eachendofwhichis mountedia flywheelsuch as 21, which is provided near the periphcry with a pin 22 upon which is mounted one end of a link- 23, the otherend of which link is connected to the carriage 9, whereby when motion is imparted fronra main drive shaft indicated by 24 to the shaft a reciprocal motion is imparted to the carriage 9;

. Disposedupon each side of the fnamel and pivotally connected. at their lower-ends-thereto; are; levers such as 25-which are connectedmidway of. their length by linksusuch: as 26 to; the carriage. 9, and areat their, upper ends connected" by means of links such as 27 tothe carriage 15, the arrangement being such that whena reciprocal motion is imparted to the carriage 91in the manner above described a rec procal IIlOiJlOIlzO-i greater amphtude is simultaneously impartedt'o the carriage; 15..

Inoperation,the-tobaccoleaves are placedupon the feed belt 2. with the butt endspros jecting therebeyond. .As explained hereto am fore-,as the gripper v and, stripper members move into; operative position, the jaws ofboth sheet as shownin- Fig.

The jaws ofthe gripper theni close it being noted that the aligningaction will take-place;

with the ends of the stems between the-open jaws, ofthe gripper. 'llhe stripper closes, and;

both members move backward, the stripping a operationithus beinge-ffected.

Attheend. oi the: stripping; operation, the

gripper opens. Now, here to the jaws. 0t would be rubbed; or atively stationary sheet a;. It will be noted] that-the jaws of the gripper moverelative to the surf-ace ot the it, thus.the aligning should any; stalks ad.- the; gripper, such stalks pushed against the rel.-

wall: a' also'tunctions as cally remove: any stems-or stalks that. may adhere to either of the, gripper jaws.

Claims: r

1. In a tobacco stripping machine: a- S1111)? port for the leaves, means for-strippingthe leaves, gripping. means engaging; and. drawsv ing "the leaves through said stripper and; means abutting the ends of the stems when: in the gripper for limiting the extent: to: which the leaves project throughtsaid: grip:- per.

2. In a tobacco stripping machine a support for the leaves, a; stripper comprisingas. stripping; element having serrations theregrippen and; stripperyare open. The: a, in? this open position of; thegri-pper, 2, provides a-wall or fence. 1 which comesinto contact with the ends of the stems, and efi ectsthe desired. alignment.v

surface provided by the.

a means t-o-automati in each adapted to engage a single stem and means for retaining the stems in said stripping element, a gripper engaging the stems and drawing them through the stripper and means upon the gripper designed to limit the extent to which the stems project through said gripper. I p

3.- I :1 a tobacco; stripping machineaai support for the leaves, a stripper comprising a stripping element'having serrations therein each-adapted to e-ngage a single stem and means for retaining the stems in said strippinge'leme'nt, a gripper comprising two members movable to permitthe-v passage. of the stem between them and to grip same, a flexihis body designedtoilimit the. extent to which the; stems. project through saidrgnipper t. a. tobacco-stripping machine a. sup.

port forthe leaves, a stripper comprising a stripping; element. having" serrations: therein eachw adapted to engage a single stemv and; means for; retaining the. stems in: said stripping element, a gripper engngingrthe: stems;

ported at itsendsbyitheileverscanrying one.

' supported by gripper: element, a. second: ro d1 the levers carrymgzthe other gripper element,

a: third. rodysprings' acting upon said: rod,

a flexible bod ysurrounding the. three; rods and! acting. to limit. the, extent t0. which" the stemsprojectthrough said grippers.

. 5. In a; tobacco; stripping machine: a sup--.

port fertile-leaves, a. stripper comprising a stripping; element. having serrationstherein. each. adaptedz torenga-ge: a single stems and means for retaining the. stems. in; said strip ping element, a gripper movable towards and:

from said. stripper and. comprising two members; leners supporting the ends: otsaid; members; means for operating said levers to move! the gripping: members to permit; the passage of a stem betweenthemand: to: same; a: rod supported at its ends by the levers; carrying'one gripperelement, a; second. rod supported by the levers carrying theothergripper-element, a; third: rod, springs acting upon said rod, a flexible; body surrounding the three rods and: acting to. limit saidlgripper.

6. In a tobacco stripping machineia support for theleaves, avstrirpper having a motion towardsrand away tromisaidsupport and comprising a: stripping element having serrations therein each adapted to engage a single stem,iand meansltor. retaining'thestems in: said stripping element, l'evers supporting the stripping and l retaining: elements, means for operating saidi levers: tomove the stripping and retaining elements-to. permit the the extent to which the stems projectathrough:

' through said stripping means,

passage of the stems between them and to close thereon, a gripper movable towards and away from said stripper comprising two members, levers supporting the ends of said members, means for operating saidlevers to move the gripping members to permit the passage of a stem between them and to grip same, a rod supported at its ends by the levers carrying one gripper element, a second rod supported by the levers carrying the other gripper element, a third rod, springs acting upon said rod, a flexible body surrounding the three rods and acting to limit the extent to which the stems project through said gripper.

7 In a tobacco stripping machine, a support for leaves, leaves, means to grip and draw the leaves means to align the ends of said leaves prior to their being gripped, motion of said gripping means rela tive to said aligning means removing leaf stems that adhere to the gripping means.

8. A tobacco stripping machine comprising a leaf carrier, means for stripping the leaves, means for gripping the stems of said leaves and drawing them through the stripping means, and means providing a relatively immovable surface to prevent stems from adhering to said gripping means hen said stems are released.

9. In a machine, as defined in claim 2, said gripper including a pair of relatively movable members, and said limiting means being operative when said members are spaced apart.

In testimony whereof I have hereunto set my hand. i

MORRIS GODFREY PHILIP PHILLIPS.

means for stripping the 

